(CommandList
  children: [
    (FuncDef
      name: child_handler
      body: (BraceGroup children:[(C {(echo)} {(DQ ("child handler called"))})] spids:[10])
      spids: [6 9]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (BoolBinary
                      op_id: BoolBinary_GlobNEqual
                      left: {(DQ ($ VSub_Number "$1")) (x)}
                      right: {(x)}
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (C {(echo)} {(DQ ("child process ") ($ VSub_Dollar "$$") (" here..."))})
            (ForExpr
              init: 
                (BinaryAssign
                  op_id: Arith_Equal
                  left: (LhsName name:i)
                  right: (ArithWord w:{(Lit_Digits 1)})
                )
              cond: 
                (ArithBinary
                  op_id: Arith_LessEqual
                  left: (ArithVarRef name:i)
                  right: (ArithWord w:{(Lit_Digits 1000)})
                )
              update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:i))
              body: 
                (DoGroup
                  children: [
                    (Assignment
                      keyword: Assign_None
                      pairs: [
                        (assign_pair
                          lhs: (LhsName name:x)
                          op: Equal
                          rhs: 
                            {
                              (CommandSubPart
                                command_list: 
                                  (CommandList
                                    children: [(C {(echo)} {(b) (Lit_Other "*")})]
                                  )
                                left_token: <Left_Backtick "`">
                                spids: [80 85]
                              )
                            }
                          spids: [79]
                        )
                      ]
                      spids: [79]
                    )
                    (ForExpr
                      init: 
                        (BinaryAssign
                          op_id: Arith_Equal
                          left: (LhsName name:j)
                          right: (ArithWord w:{(Lit_Digits 1)})
                        )
                      cond: 
                        (ArithBinary
                          op_id: Arith_LessEqual
                          left: (ArithVarRef name:j)
                          right: (ArithWord w:{(Lit_Digits 1000)})
                        )
                      update: (UnaryAssign op_id:Node_PostDPlus child:(LhsName name:j))
                      body: 
                        (DoGroup
                          children: [
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:x)
                                  op: Equal
                                  rhs: 
                                    {
                                      (CommandSubPart
                                        command_list: 
                                          (CommandList
                                            children: [(C {(echo)} {(t) (Lit_Other "*")})]
                                          )
                                        left_token: <Left_Backtick "`">
                                        spids: [116 121]
                                      )
                                    }
                                  spids: [115]
                                )
                              ]
                              spids: [115]
                            )
                            (Assignment
                              keyword: Assign_None
                              pairs: [
                                (assign_pair
                                  lhs: (LhsName name:x)
                                  op: Equal
                                  rhs: 
                                    {
                                      (CommandSubPart
                                        command_list: 
                                          (CommandList
                                            children: [
                                              (C {(echo)} {(Lit_Other "*") (source) (Lit_Other "*")})
                                            ]
                                          )
                                        left_token: <Left_Backtick "`">
                                        spids: [125 131]
                                      )
                                    }
                                  spids: [124]
                                )
                              ]
                              spids: [124]
                            )
                          ]
                          spids: [111 134]
                        )
                    )
                  ]
                  spids: [75 137]
                )
            )
            (C {(exit)} {(1)})
          ]
          spids: [-1 39]
        )
      ]
      spids: [-1 144]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:x) op:Equal rhs:{(18)} spids:[150])]
      spids: [150]
    )
    (C {(trap)} {(child_handler)} {(CHLD)})
    (C {(kill)} {(-INT)} {($ VSub_Dollar "$$")})
    (C {(kill)} {(-INT)} {($ VSub_Dollar "$$")})
    (C {(exit)} {(0)})
  ]
)